20180851173

素因数分解:

$3^2\times 7^1\times {\mathrm{320330971}}^1$

素因数の和:320330984

約数の個数: 12

約数和(自身を含む): 33314421088

約数和(自身を除く): 13133569915

約数列:

[1, 3, 7, 9, 21, 63, 320330971, 960992913, 2242316797, 2882978739, 6726950391, 20180851173]

約数ペア:

[(1, 20180851173), (3, 6726950391), (7, 2882978739), (9, 2242316797), (21, 960992913), (63, 320330971)]